Usui Sachi

Long light-haired married woman who aggressively rides Atsuki bareback, allows creampie, then leaves before morning and chats online as siwori.

Senior with short light hair and school uniform who greets Haruka in the final pages

Shoulder-length light hair, large breasts, casual home clothes; sees Daiichi and Chloe together on the sofa and remarks they get along, then dryly comments on them in bed.

Male character with short black hair and school uniform who engages in sexual intercourse with Haruka

Long black hair, large breasts, wearing school uniform, frequently appears in sexual scenes

Male PE teacher who checks on Asahina, is pulled into kissing and explicit sex with her in the student council room despite protests, then collapses exhausted after creampie.